7464994393 has 2 divisors, whose sum is σ = 7464994394. Its totient is φ = 7464994392.

The previous prime is 7464994391. The next prime is 7464994477. The reversal of 7464994393 is 3934994647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7448898249 + 16096144 = 86307^2 + 4012^2 .

It is a cyclic number.

It is not a de Polignac number, because 7464994393 - 2¹ = 7464994391 is a prime.

It is a super-2 number, since 2×7464994393² (a number of 21 digits) contains 22 as substring.

Together with 7464994391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7464994391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3732497196 + 3732497197.

It is an arithmetic number, because the mean of its divisors is an integer number (3732497197).

Almost surely, 2^7464994393 is an apocalyptic number.

It is an amenable number.

7464994393 is a deficient number, since it is larger than the sum of its proper divisors (1).

7464994393 is an equidigital number, since it uses as much as digits as its factorization.

7464994393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 58.

The square root of 7464994393 is about 86400.1990333356. The cubic root of 7464994393 is about 1954.3836853894.

The spelling of 7464994393 in words is "seven billion, four hundred sixty-four million, nine hundred ninety-four thousand, three hundred ninety-three".